# SDR ASAA2020112933614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2020
- Submitted: December 1, 2020
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 20,178 hours, 6,443 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010360
- Condition: Damaged
- Location: Nr 2 Engine Fan
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020112933614

## Discrepancy

WHILE ACCOMPLISHING T/C 78472010 NR 1 ENGINE NR 14 FAN BLADE HAS DAMAGE CU-NI COATING REQUIRES REPLACEMENT, AS WELL AS, PAIR BLADE NR 2.  GROUNDED-YES.  REMOVED AND REPLACED FAN BLADE NR 14 & NR 2, REF T/C 78472010.

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